Data Zone
Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261.
del Hoyo, J.; Elliott, A.; Sargatal, J. 2001. Handbook of the Birds of the World, vol. 6: Mousebirds to Hornbills. Lynx Edicions, Barcelona, Spain.
IUCN. 2020. The IUCN Red List of Threatened Species. Version 2020-3. Available at: https://www.iucnredlist.org. (Accessed: 10 December 2020).
Poonswad, P., Kemp, A.C. & Strange, M. 2013. Hornbills of the World: A Photographic Guide. Draco Publishing and Hornbill Research Foundation.
Wickramasinghe, S., Panduwawala P., Wijerathne, I. 2018. Distribution and habitat ecology of Sri Lanka Grey hornbill in Anuradhapura district in North Central province, Sri Lanka. Wildlanka 6(1): 001-007.
Wijerathne, I., & Wickramasinghe, S. 2018. Behavioral pattern of endemic Sri Lanka Grey Hornbill (Ocyceros gingalensis) within the breeding and nonbreeding seasons. . International Journal of Biodiversity: 1-7.
IUCN SSC Hornbill Specialist Group
Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Sri Lanka Grey Hornbill Ocyceros gingalensis. Downloaded from
https://datazone.birdlife.org/species/factsheet/sri-lanka-grey-hornbill-ocyceros-gingalensis on 22/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 22/11/2024.